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Hitachi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Interface device and information processing system
Patent number
7,759,975
Issue date
Jul 20, 2010
Hitachi, Ltd.
Fumio Murabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Isolator and a modem device using the isolator
Patent number
7,522,692
Issue date
Apr 21, 2009
Hitachi, Ltd.
Seigoh Yukutake
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Interface device and information processing system
Patent number
7,479,804
Issue date
Jan 20, 2009
Hitachi, Ltd.
Fumio Murabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Isolator and a modem device using the isolator
Patent number
7,289,553
Issue date
Oct 30, 2007
Hitachi, Ltd.
Seigoh Yukutake
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Interface device and information processing system
Patent number
7,102,388
Issue date
Sep 5, 2006
Hitachi, Ltd.
Fumio Murabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Interface device and information processing system
Patent number
6,977,522
Issue date
Dec 20, 2005
Hitachi, Ltd.
Fumio Murabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Isolator and a modem device using the isolator
Patent number
6,603,807
Issue date
Aug 5, 2003
Hitachi, Ltd.
Seigoh Yukutake
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Interface device and interface system
Patent number
6,563,200
Issue date
May 13, 2003
Hitachi, Ltd.
Mutsumi Kikuchi
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
INTERFACE DEVICE AND INFORMATION PROCESSING SYSTEM
Publication number
20090115506
Publication date
May 7, 2009
Hitachi, Ltd
Fumio Murabayashi
G05 - CONTROLLING REGULATING
Information
Patent Application
Isolator and a modem device using the isolator
Publication number
20070153886
Publication date
Jul 5, 2007
Seigoh Yukutake
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Isolator and a modem device using the isolator
Publication number
20030169808
Publication date
Sep 11, 2003
Seigoh Yukutake
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Interface device and information processing system
Publication number
20030117751
Publication date
Jun 26, 2003
Hitachi, Ltd
Fumio Murabayashi
G05 - CONTROLLING REGULATING
Information
Patent Application
Interface device and interface system
Publication number
20020105062
Publication date
Aug 8, 2002
Mutsumi Kikuchi
H01 - BASIC ELECTRIC ELEMENTS